SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
First Claim
1. A secondary battery comprising:
- a first electrode structure comprising a first electrode current collector, the first electrode current collector comprising a first electrode layer forming region and a first electrode layer non-forming region on each surface of the first electrode current collector,a second electrode structure comprising a second electrode current collector, the second electrode current collector comprising a second electrode layer forming region and a second electrode layer non-forming region on each surface of the second electrode current collector,wherein the first and second electrode layer non-forming regions respectively comprise first and second electrode current collector tab coupling regions in an interior portion of each of the first and second electrode layer forming regions, andwherein the first electrode structure, the second electrode structure, and an electrolyte layer are disposed between the first electrode structure and the second electrode structure and are disposed in an exterior body.
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Abstract
A secondary battery including a first electrode structure including a first electrode current collector, the first electrode current collector including a first electrode layer forming region and a first electrode layer non-forming region on each surface of the first electrode current collector, a second electrode structure including a second electrode current collector, the second electrode current collector including a second electrode layer forming region and a second electrode layer non-forming region on each surface of the second electrode current collector, wherein the first and second electrode layer non-forming regions respectively include first and second electrode current collector tab coupling regions in an interior portion of each of the first and second electrode layer forming regions, and wherein the first electrode structure, the second electrode structure, and an electrolyte layer disposed between the first electrode structure and the second electrode structure are enclosed with an exterior body.
18 Citations
20 Claims
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1. A secondary battery comprising:
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a first electrode structure comprising a first electrode current collector, the first electrode current collector comprising a first electrode layer forming region and a first electrode layer non-forming region on each surface of the first electrode current collector, a second electrode structure comprising a second electrode current collector, the second electrode current collector comprising a second electrode layer forming region and a second electrode layer non-forming region on each surface of the second electrode current collector, wherein the first and second electrode layer non-forming regions respectively comprise first and second electrode current collector tab coupling regions in an interior portion of each of the first and second electrode layer forming regions, and wherein the first electrode structure, the second electrode structure, and an electrolyte layer are disposed between the first electrode structure and the second electrode structure and are disposed in an exterior body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of manufacturing a secondary battery, the method comprising:
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coating a surface of a first electrode current collector with a first electrode coating solution comprising a first electrode active material to form a first electrode layer and a first electrode layer non-forming region comprising a first electrode current collector tab coupling region in an interior of the first electrode layer; coating a surface of a second electrode current collector with a second electrode coating solution comprising a second electrode active material to form a second electrode layer and a second electrode layer non-forming region comprising a second electrode current collector tab coupling region in an interior of the second electrode layer; coupling the first and second electrode current collector tab coupling regions to first and second electrode current collector tabs, respectively, to manufacture a first electrode structure and a second electrode structure; disposing an electrolyte layer between the first electrode structure and the second electrode structure; enclosing the first electrode structure, the second electrode structure, and the electrolyte layer with an exterior body; and
thenpressure treating the first electrode structure, the second electrode structure, and the electrolyte layer to integrate the first electrode structure, the second electrode structure, and the electrolyte layer to manufacture the secondary battery. - View Dependent Claims (18, 19, 20)
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Specification